2662554

Information

• Patent Grant
• 2662554

• References
• Source

• Patent Number

  2,662,554

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1953
  71 years ago

• CPC

  • E21B34/02 - in well heads
  • Y10T137/6161 - With provision of alternate wear parts

• US Classifications

  • 138 - Pipes and tubular conduits
  • 137 - Fluid handling